Discard uncommitted changes when shutting down DOMStorageArea

content/browser/dom_storage/dom_storage_area.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/dom_storage/dom_storage_area.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/location.h"
@@ skipping 442 matching lines @@
     task_runner_->PostDelayedTask(
         FROM_HERE, base::Bind(&DOMStorageArea::OnCommitTimer, this),
         ComputeCommitDelay());
   }
 }
 
 void DOMStorageArea::ShutdownInCommitSequence() {
   // This method executes on the commit sequence.
   DCHECK(task_runner_->IsRunningOnCommitSequence());
   DCHECK(backing_.get());
-  if (commit_batch_) {
-    // Commit any changes that accrued prior to the timer firing.
-    bool success = backing_->CommitChanges(
-        commit_batch_->clear_all_first,
-        commit_batch_->changed_values);
-    DCHECK(success);
-  }
+  // Discard any changes that accrued prior to the timer firing.
   commit_batch_.reset();
   backing_.reset();
   session_storage_backing_ = NULL;
 }
 
 }  // namespace content